_patch_pip_path() {
  find /opt/sickrage/lib/python*/site-packages/sickrage -name "*.py" -exec \
      sed -i "s|\('pip_path'.*\)'pip'|\1'/opt/sickrage/bin/pip2'|" '{}' \;
}

post_install() {
  systemd-sysusers sickrage.conf
  systemd-tmpfiles --create sickgear.conf
  mkdir /opt/sickrage
  chown -R sickrage:sickrage /opt/sickrage
  sudo -u sickrage virtualenv2 /opt/sickrage
  sudo -u sickrage /opt/sickrage/bin/pip2 install --isolated sickrage lxml pyopenssl
  _patch_pip_path
  echo "==> Start and enable sickrage.service. Then visit http://localhost:8081/"
}

post_upgrade() {
  if [ ! -d /opt/sickrage ]; then
    post_install $1
  else
    sudo -u sickrage /opt/sickrage/bin/pip2 install --isolated --upgrade sickrage lxml pyopenssl
    _patch_pip_path
  fi
}

post_remove() {
  sudo -u sickrage /opt/sickrage/bin/pip2 uninstall --isolated --yes $(/opt/sickrage/bin/pip2 list --isolated | awk '{ print $1 }')
  systemctl --quiet is-active sickrage.service
  if [ $? -eq 0 ]; then
    systemctl stop sickrage.service
  fi
  sudo -u sickrage virtualenv2 --no-wheel --no-setuptools --no-pip --clear --no-download /opt/sickrage

  echo -e "\n==> Some files in /opt/sickrage may not have been removed.\n"

  # Do not delete the 'sickrage' user automatically. It may still own files.
  # If 'sickrage' is the only user in group 'sickrage', then the group will also be deleted.
  echo "==> To delete the 'sickrage' user, run as root: userdel --force sickrage"
}